chey1603
29.07.2019 •
Mathematics
Answer asap will give brainliest boris solves the system of equations using the linear combination method. 3x+4y=−87x−3y=6 which steps would allow him to eliminate the y terms in the system of equations? multiply 3x+4y=−8 by 3. multiply 7x−3y=6 by 4. add the resulting equations together. multiply 3x+4y=−8 by 7. multiply 7x−3y=6 by −3 . add the resulting equations together. multiply 3x+4y=−8 by 4. multiply 7x−3y=6 by 3. add the resulting equations together. multiply 3x+4y=−8 by −3 . multiply 7x−3y=6 by 7. add the resulting equations together.
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Ответ:
Multiply 3x+4y=−8 by 3. Multiply 7x−3y=6 by 4:
{3x + 4y = -8 |*3
{7x - 3y = 6 |*4
{9x + 12y = -24
{28x - 12y = 24
Add the resulting equations together:
37х = 0
Ответ: